body {
      background: #f8f9fa;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Segoe UI', sans-serif;
    }

    .login-card {
      width: 100%;
      max-width: 400px;
      border-radius: 15px;
      padding: 30px;
      box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
      background: #fff;
    }

    .login-card h3 {
      margin-bottom: 25px;
      font-weight: 600;
    }

    .form-control {
      border-radius: 10px;
    }

    .btn-primary {
      border-radius: 10px;
      padding: 10px;
      font-weight: 500;
    }

    .form-text a {
      text-decoration: none;
    }

    @media (max-width: 576px) {
      .login-card {
        padding: 20px;
      }
    }